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#! /usr/bin/env python
# encoding: utf-8
"""
Performs the cross-synthesis of two sounds.
"""
from pyo import *
s = Server(duplex=0).boot()
snd1 = SfPlayer("../snds/baseballmajeur_m.aif", loop=True).mix(2)
snd2 = FM(carrier=[75, 100, 125, 150], ratio=[0.999, 0.5005], index=20, mul=0.4).mix(2)
size = 1024
olaps = 4
fin1 = FFT(snd1, size=size, overlaps=olaps)
fin2 = FFT(snd2, size=size, overlaps=olaps)
# get the magnitude of the first sound
mag = Sqrt(fin1["real"] * fin1["real"] + fin1["imag"] * fin1["imag"], mul=10)
# scale `real` and `imag` parts of the second sound by the magnitude of the first one
real = fin2["real"] * mag
imag = fin2["imag"] * mag
fout = IFFT(real, imag, size=size, overlaps=olaps)
ffout = fout.mix(2).out()
# change of fft size must be done on all fft and ifft objects at the same time!
def setSize(x):
fin1.size = x
fin2.size = x
fout.size = x
s.gui(locals())
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